/*
 * Copyright 2002-2019 Intel Corporation.
 * 
 * This software is provided to you as Sample Source Code as defined in the accompanying
 * End User License Agreement for the Intel(R) Software Development Products ("Agreement")
 * section 1.L.
 * 
 * This software and the related documents are provided as is, with no express or implied
 * warranties, other than those that are expressly stated in the License.
 */

#include <stdio.h>
#include "pin.H"


#define DF_MASK 0x400
#define DF_POS 10
#if defined(__cplusplus)
extern "C"
#endif
int source[4] = {1,1,1,1};
#if defined(__cplusplus)
extern "C"
#endif
int dest[4]   = {0,0,0,0};

// This function is called before every instruction is executed
// it should move source[1] and source[2] into dest[1] and dest[2] respectively
// The movsd is the first instruction to access the flags
// If there is a bug anf the DF is set - then it will  move source[1] and source[0] into dest[1] 
// and dest[0] respectively 
// In the Fini function we check that dest has it's expected values 
#if defined(__cplusplus)
extern "C"
#endif
VOID TestDfByMovsd ();

    
// Pin calls this function every time a new instruction is encountered
VOID Instruction(INS ins, VOID *v)
{
    INS_InsertCall(ins, IPOINT_BEFORE, (AFUNPTR)TestDfByMovsd, IARG_END);
}

// This function is called when the application exits
VOID Fini(INT32 code, VOID *v)
{
    BOOL hadFailure = false;
    if (dest[0]!=0)
    {
        printf ("Unexpected value of dest[0] %d\n", dest[0]);
        hadFailure = true;
    }
    if (dest[1]!=1)
    {
        printf ("Unexpected value of dest[1] %d\n", dest[1]);
        hadFailure = true;
    }
    if (dest[2]!=1)
    {
        printf ("Unexpected value of dest[2] %d\n", dest[2]);
        hadFailure = true;
    }
    if (dest[3]!=0)
    {
        printf ("Unexpected value of dest[3] %d\n", dest[3]);
        hadFailure = true;
    }
    printf ("Finished: hadFailure  %d\n", hadFailure);
    fflush (stdout);
}

// argc, argv are the entire command line, including pin -t <toolname> -- ...
int main(int argc, char * argv[])
{
    // Initialize pin
    PIN_Init(argc, argv);

    // Register Instruction to be called to instrument instructions
    INS_AddInstrumentFunction(Instruction, 0);

    // Register Fini to be called when the application exits
    PIN_AddFiniFunction(Fini, 0);
    
    // Start the program, never returns
    PIN_StartProgram();
    
    return 0;
}
